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  • Writer's pictureJames Paulson

Astrophotography Tips - Part 6 - Quality Optics


A very important part of getting quality results in your astrophotography involves using good quality optics.


Today's cameras can capture images in such high resolution that poor optics become a part of the final result of your image. Choosing quality optics today involves dealing with companies with a proven track record for quality optics, and purchasing from a dealer who will stand behind that product.


All of the great apochormatic scopes today are marketed towards astrophotography. Choosing an APO as your first or even only imaging rig is always a good choice. The glass and coatings are often figured to very high tolerances, the collimation is done at the factory and never really needs to be changed, and like in the Redcat 51 featured above, more often than not today will come with built in field flatteners which lead naturally to some outstanding optics.


High end refractors come in many names and brands today, and I strongly suggest you build a relationship with your preferred dealer and go from there. Have them explain the positives and negatives of any given scope, and help balance what you want to work well with what you have. And don't overlook used gear if you have a chance to see it perform as you can often get some tremendous bargains.


I should note that there are other configurations besides refractors, but as a first ascope, I will always reocmmend a refractor if your primary goal is astrophotography. And if you decide to sell it, you can move it fairly quickly as well.


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